Home / 45,866.20-68,799.30-19,573.60

Finding the Fourth Proportional to 45,866.20, 68,799.30 and 19,573.60

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Solution

The fourth proportional to 45,866.20, 68,799.30 and 19,573.60 is: 29,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,866.20 : 68,799.30 = 19,573.60 : x
  2. Step 2: Convert to fraction form
    45,866.20/68,799.30 = 19,573.60/x
  3. Step 3: Cross multiply
    45,866.20x = 68,799.30 × 19,573.60
  4. Step 4: Simplify right side
    45,866.20x = 1,346,649,978.48
  5. Step 5: Solve for x
    x = 1,346,649,978.48/45,866.20
  6. Step 6: Final answer
    x = 29,360.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.